22 results about "Microwave applicator" patented technology

The invention provides a heavy oil thermal-flow coupling development experimental device and method based on microwave-assisted gravity drainage, and belongs to the field of oil-gas field development. The experimental device comprises a three-dimensional oil reservoir simulation system, a microwave-assisted heating system, a horizontal well injection-production regulation and control system and a multi-field monitoring system; the microwave auxiliary heating system comprises a microwave generation regulation and control system, a microwave transmission system and a shaft integrated microwave radiator, the microwave generation regulation and control system comprises an industrial grade microwave generator, a power regulator and a PLC, and the microwave transmission system comprises a microwave coaxial cable and a microwave waveguide tube bundle; and the microwave generator is continuously connected with the microwave waveguide tube bundle and the shaft integrated microwave radiator. According to the heavy oil thermal-flow coupling development experimental device and method based on microwave-assisted gravity oil drainage, the technical problems that an existing deep heavy oil thermal recovery experimental device cannot reproduce a'thermal-flow-force 'multi-field coupling environment, the microwave heating adaptability is poor, and the experimental scale and the field deviation is large are solved. The heavy oil thermal-flow coupling development experimental device and method based on microwave-assisted gravity oil drainage solve the technical problems that an existing deep heavy oil thermal recovery experimental device cannot reproduce the'thermal-flow-force' multi-field coupling environment.

The invention relates to the technical field of quantum precision measurement, and provides a quantum magnetic probe which comprises a diamond block, a polarization-maintaining single-mode optical fiber and a microwave radiator. According to the scheme, the optical waveguide for transmitting the linear polarization excitation light in the specific direction is connected with the diamond block containing the NV color center, and the transmission direction of the linear polarization excitation light and the NV axial direction are controlled to form a specific angle, so that efficient excitation in the specified NV axial direction is realized, and the measurement accuracy of the magnetic component in the specified axial direction is further improved; the structure is simple and stable, the size is small, and the practicability is high.

The present disclosure describes systems and methods that employ a plurality of microwave applicator cells as a combined unit to continuously travel along an asphalt surface to treat the existing asphalt with microwave energy. The microwave treatment reanimates the existing (and likely damaged) asphalt to a workable state that is almost identical in nature to newly laid asphalt. The microwave system is configurable to span the width of a standard road lane, wherein the continuously traveling system efficiently repairs damaged roads with minimal down time.

A method and an apparatus for producing direct reduced iron (DRI) move a material comprising iron ore and biomass through a preheat zone (20) and then a reduction zone (30) of a hearth furnace (3) and heat and progressively reduce iron ore and discharge DRI. Reduction gases flow in an opposite direction to material, and combustible gases in the reduction gases are combusted in the preheat zone and generate heat. Microwave energy heats material and reduces iron ore in the reduction zone. The microwave energy is supplied via a plurality of microwave applicators (66) arranged in a plurality of rows of applicators extending across a width of and along a section of a length of the reduction zone. The reduction zone (56) includes a lower sub zone (58) and an upper sub zone separated by an interface (80). The interface is configured to so that (a) microwave energy is at least substantially prevented from passing through the interface to the upper sub zone and (b) reduction gases produced in the lower sub zone from reduction of iron ore can flow through the interface into the upper sub zone.

The invention discloses a low-permeability sandstone uranium mine microwave radiation-pulse water pressure combined permeation enhancing device, and relates to the technical field of uranium mine mining, the low-permeability sandstone uranium mine microwave radiation-pulse water pressure combined permeation enhancing device comprises a microwave radiation mechanism, a sealing mechanism and a high-pressure pulse water injection mechanism, a microwave radiator is connected with a microwave antenna through a waveguide tube, and the microwave antenna is used for extending into a drilling well; the upper packer and the lower packer can be located in a drilling well and seal the space between the upper packer and the lower packer, a water conveying pipe of the high-pressure pulse water injection mechanism penetrates through the upper packer and reaches the position between the upper packer and the lower packer, and the microwave antenna is located between the upper packer and the lower packer. The invention further discloses a low-permeability sandstone uranium ore microwave radiation-pulse water pressure combined permeation enhancing method which is implemented by adopting the low-permeability sandstone uranium ore microwave radiation-pulse water pressure combined permeation enhancing device. According to the invention, a large-range fracture network with good uniformity can be formed in the ore rock layer, so that the permeability of the sandstone uranium ore layer is increased and the anisotropic permeability coefficient is reduced.

The utility model belongs to the technical field of geotechnical engineering and tunnel engineering, and particularly relates to a microwave radiator for a microwave mechanical rock breaking device, which comprises a rigid microwave radiator, a vibration reduction system and a dustproof and flying rock prevention system, the rigid microwave radiator is provided with a dustproof and anti-flying-stone system and a vibration reduction system, the vibration reduction system comprises a flexible waveguide, a flexible vibration reduction sleeve and a rigid vibration reduction sleeve, the end part of a standard waveguide section of the rigid microwave radiator is connected with the flexible waveguide, the end part of a transition section of the rigid microwave radiator is connected with the flexible vibration reduction sleeve, and the flexible vibration reduction sleeve is connected with the rigid vibration reduction sleeve. A rigid vibration reduction sleeve is arranged above the flexible vibration reduction sleeve, the dustproof flying stone prevention system comprises an outer baffle and a dustproof block, the outer baffle is arranged on the outer side of a transition section of the rigid microwave radiator and fixed to the flexible vibration reduction sleeve, and the dustproof block is placed in a standard waveguide section of the rigid microwave radiator and fixed to the flexible vibration reduction sleeve. According to the microwave radiator provided by the utility model, the measures of vibration reduction, dust prevention and flying stone prevention are adopted, so that the safe operation of a microwave source in a vibration and dust environment is ensured.

Apparatus for delivering in vivo hyperthermia treatments to a subject and methods of performing such treatments are provided. The apparatus comprises an imaging device, such as an MRI scanner, a microwave applicator, and a controller to target particular tissues within the subjects body for hyperthermia treatment. The microwave applicator emits microwave energy toward the target tissue and the imaging device provides real-time feedback as to the position of the applicator relative to the target tissues and thermometry data so as to permit real-time adjustment of the applicators operating parameters.

This invention discloses a flexible microwave radiator and magnetic detection system for magnetic detection of NV centers in diamond. The flexible microwave radiator includes a flexible dielectric substrate and a conductive layer disposed on the substrate. The conductive layer is patterned to form a power supply area and a radiation area electrically connected to the power supply area. The power supply area is used to connect a microwave signal source, and the radiation area has a through-hole penetrating the flexible dielectric substrate. The flexible dielectric substrate is bent at the position corresponding to the radiation area towards the side opposite to the conductive layer to form a bend. The radiation area and the through-hole bend along with the bend, and the bend allows it to approach the diamond containing NV centers from the side, enabling the through-hole to apply microwave radiation to the NV centers of the diamond from the side. This invention can ensure that the microwave radiator is close to the diamond for microwave coupling while reducing the obstruction of the excitation light and fluorescence collection light path above the diamond, thereby improving fluorescence collection efficiency, system signal-to-noise ratio, and magnetic detection sensitivity.

This utility model relates to the field of medical device technology, and in particular to a microwave radiator for lumbar physiotherapy, comprising a body, cables, a radiating head, and a fixing mechanism. The fixing mechanism includes a bracket, an adjustment component, a power component, two sliding plates, two fastening components, a male Velcro strap, and a female Velcro strap. The radiating head is mounted on the bracket via the adjustment component. The bracket has a sliding groove, and both sliding plates are slidably connected to the groove. The two fastening components are fixedly connected to their respective sliding plates. The male and female Velcro straps are connected to their respective fastening components. The power component drives the two sliding plates to move relative to or towards each other within the groove. This method solves the technical problem in the prior art where patients cannot move freely during physiotherapy, and even slight movement can easily cause the microwave radiator to misalign with the affected area, affecting the treatment effect.

There is provided a heating device that is capable of increasing heating efficiency of a heating target by microwave irradiation. The heating device includes a microwave irradiator configured to irradiate a heating target with microwaves, and a collector configured to collect fluid generated from the heating target that is irradiated with the microwaves. The microwaves are electromagnetic waves with a frequency of 300 MHz to 30 GHz, for example. The heating target includes metal, for example. Furthermore, the heating target includes non-metal such as oil, organic compound, and water, for example. When the heating target is irradiated with the microwaves, the heating target is heated, and non-metal with lower melting point and boiling point than metal becomes fluid and is separated from the heating target.

The invention discloses a microwave plasma source and a microwave processing system for plasma uniform processing, and relates to the technical field of microwave plasmas. The solid-state microwave source is used for generating a microwave signal; the microwave radiator is electrically connected with the solid-state microwave source through a coaxial line and is used for receiving and radiating a microwave signal; the mobile platform is used for bearing the microwave radiator and driving the microwave radiator to move along the plane outside the vacuum cavity; the gradient refractive index dielectric plate is arranged in the window area of the vacuum cavity in a sealing manner; and microwaves radiated by the microwave radiator penetrate through the gradient refractive index dielectric plate and then form a surface wave-like mode in the vacuum cavity, so that low-ionization plasma excitation is realized. According to the invention, the microwave radiator is separated from the vacuum insulation ceramic piece, and the high-directivity microwave antenna is matched with the XY double-axis sliding bracket, so that the dynamic adjustment of the microwave incident position in the cavity can be realized.

The application provides a large-scale ore microwave fracturing parameter adaptive control system, and relates to the technical field of geotechnical engineering and mining engineering. The dynamic microwave fracturing system comprises a microwave power supply, a microwave generator, a rectangular straight waveguide, a tuner, a rectangular right-angle waveguide, a rectangular flexible waveguide, a flexible waveguide deflection device, a microwave radiator, a quick lifting device and a shock absorber. The ore dynamic monitoring and parameter adaptive control system comprises a microwave power meter, an infrared thermal imager, a laser range finder, a PLC controller and an upper computer. The ore microwave radiation parameter adaptive device can improve the microwave utilization efficiency and reduce the mechanical crushing energy consumption of the ore.

The utility model provides a microwave irradiation cracking device for engineering hard surrounding rock, which is arranged on a mechanical arm of tunneling equipment, and a tuner is correspondingly connected with a microwave output end of a microwave generator and is used for adjusting microwave phase and amplitude; the waveguide tube is correspondingly connected to the tuner and is used for transmitting the microwaves adjusted by the tuner; the radiator sleeves one end, far away from the tuner, of the waveguide tube and is used for focusing the microwaves transmitted by the waveguide tube to the front of the radiator; the telescoping mechanism is located between the radiator and the tuner to drive the radiator to move along the waveguide tube. The distance between the radiator and the irradiation target is optimized through the telescopic mechanism, and for a scene with distance radiation, it is ensured that the distance between the radiator and the irradiation target is appropriate, so that detuning is avoided, and reflection is reduced.

A plasma processing apparatus comprises a processing chamber, a microwave generator, a microwave radiator, a microwave transmitting window and a resonator array structure. The processing chamber is configured to accommodate a substrate and define a processing space by a ceiling wall, a sidewall, and a bottom wall. The microwave generator is configured to generate microwaves for producing plasma. The microwave radiator is provided above the ceiling wall and configured to radiate the microwaves toward the processing chamber. The microwave transmitting window is formed of a dielectric and provided at a position of the ceiling wall corresponding to the microwave radiator. The resonator array structure is provided in at least one of the ceiling wall and the sidewall and formed by arranging a plurality of resonators that are configured to resonate with a magnetic field component of the microwaves and each having a size smaller than a wavelength of the microwaves.

The application relates to the technical field of quantum precision measurement, and is a kind of quantum detection system and detection method, which is used for detecting a to-be-measured microwave field generated by an external microwave radiation device, and comprises a quantum probe, a light source, a bias magnetic field module, a fluorescence detection module and a data processing module; the present scheme utilizes the corresponding relationship among diamond NV color centers, microwaves, light and magnetic fields, and designs a quantum microwave detection method and system capable of measuring external microwave fields; the quantum precision measurement technology can be used to realize accurate measurement of the microwave field; by arranging the bias magnetic field module, the energy level splitting degree of the diamond NV color center can be adjusted, and the resonance frequency of the diamond NV color center can be changed, so that the measurable frequency range of the diamond NV color center is expanded, and the applicability of the device is improved.

This invention relates to an electromagnetic field scanning system for diamond NV centers based on heterodyne detection, belonging to the field of microwave quantum detection technology. It includes a laser pumping module, a fluorescence collection module, a microwave pumping module, a magnetic field control module, and a scanning detection module. The laser pumping module generates a laser to excite the diamond NV centers to emit fluorescence signals. The microwave pumping module generates an injection microwave signal and a reference microwave signal with similar frequencies. The injection microwave signal is injected into the microwave radiation device under test to generate the microwave signal to be measured. The reference microwave signal and the microwave signal to be measured generate a heterodyne mixing signal. The magnetic field control module applies a static magnetic field to the diamond, enabling the diamond NV centers to resonate with the microwave signal to be measured and emit fluorescence response signals. The fluorescence collection module collects the fluorescence signal and obtains the spectrum, which is sent to the control unit. The control unit calculates the microwave signal to be measured based on the spectrum information. This invention solves the problem of the lack of a system solution for applying heterodyne detection to the detection of diamond NV centers in the prior art.

A plasma processing apparatus comprises a processing chamber accommodating a substrate, and defining a processing space by an upper wall, a side wall, and a lower wall, a microwave generator configured to generate a microwave for generating plasma, a plurality of microwave radiators provided above the upper wall, and configured to radiate the microwave toward the processing chamber, a plurality of microwave transmission windows provided at positions corresponding to the plurality of microwave radiators in the upper wall, and formed of a dielectric, and a plurality of resonator array structures disposed on lower surfaces of the plurality of microwave transmission windows, respectively. The resonator array structures are formed by arranging a plurality of resonators that are capable of resonance with a magnetic field component of the microwave and are smaller in size than a wavelength of the microwave.

The present disclosure describes systems and methods that employ a plurality of microwave applicator cells as a combined unit to continuously travel along an asphalt surface to treat the existing asphalt with microwave energy. The microwave treatment reanimates the existing (and likely damaged) asphalt to a workable state that is almost identical in nature to newly laid asphalt. The microwave system is configurable to span the width of a standard road lane, wherein the continuously traveling system efficiently repairs damaged roads with minimal down time.

The invention relates to the technical field of quantum precision measurement, and provides a solid spin sensing structure based on curing glue and a quantum magnetometer, the solid spin sensing structure comprises a diamond block, a tip optical fiber, a microwave radiator and a first photoelectric detection module; the photoinduced fluorescence is gathered through the curing adhesive in a special form, the optical density of the photoinduced fluorescence is improved, efficient collection of the photoinduced fluorescence is achieved in a limited space, the magnetic field measurement bandwidth and the response speed are effectively improved in combination with the ODMR measurement technology, meanwhile, loss of the photoinduced fluorescence caused by total internal reflection can be reduced, the manufacturing cost is low, and the application range is wide. And the method is suitable for small-size integration and batch manufacturing.

The invention discloses a human trunk thermotherapy device with a radio frequency radiator array, and relates to the technical field of medical instruments, the human trunk thermotherapy device comprises a microwave thermotherapy machine, the microwave thermotherapy machine comprises a machine body, the two sides of the inner cavity of the machine body are provided with control panels, the front side of the machine body is provided with a mobile station, the inner cavity of the machine body is provided with a reflection mechanism, and the reflection mechanism is provided with a radio frequency radiator array. According to the human body trunk thermal therapy device with the radio frequency radiator array, the reflection unit is arranged, the microwave radiator is started through an external power source, the microwave radiator transmits microwaves to the surface of a patient, due to the fact that the coverage range of the microwave radiator is large, part of the microwaves can be lost, and the microwave radiator can be used for thermal therapy. Loss microwaves are reflected through the first reflecting plate and prevented from being dissipated in the surrounding environment, the microwaves reflected through the first reflecting plate can make contact with the surface of the second reflecting plate, the microwaves are reflected back to the body surface of a patient through the second reflecting plate, and therefore the thermal therapy effect is improved.

The utility model discloses a multi-amplitude microwave radiator device, and relates to the technical field of medical instruments. A fixing plate; one end of the microwave adapter penetrates into the upper shell, and the microwave adapter is fixed on the upper shell through a fixing plate; the antenna coil is located on the inner side of the upper shell and connected with the end of the microwave adapter, and the antenna coil is used for transmitting microwaves outwards; the lower shell assembly comprises a lower shell, adjusting plates and a driving part, the lower shell is connected with the upper shell in a covering mode to form a cavity, the two adjusting plates are oppositely distributed, the driving part and the adjusting plates are connected and arranged in the cavity, the inner walls of the adjusting plates and the inner wall of the upper shell are used for reflecting microwaves, and the driving part is used for driving the adjusting plates to rotate so as to change the emission direction of the microwaves. The device is suitable for different parts and diseased regions with different areas.

The embodiment of the application provides a kind of non-invasive ablation microwave thermotherapy device, belong to biomedical engineering industry in the microwave thermotherapy equipment technical field, including rack, solid microwave source, microwave transmission device, phased array microwave radiator, non-invasive temperature measuring device, treatment bed and positioning device. Through the three-dimensional coordinates of focus output by positioning device, drive treatment bed to complete lifting and horizontal displacement, make focus accurate alignment focusing area of phased array microwave radiator;Through the temperature data of non-invasive temperature measuring device, adjust output power or the phase distribution of phased array microwave radiator, realize positioning-ablation-real-time temperature measurement-regulation and control collaborative treatment. The whole treatment is without puncture insertion tissue, reduce patient wound, solve the technical defects that traditional microwave thermotherapy device cannot be realized in computer control phased array microwave under microwave imaging and CT, nuclear magnetic resonance image guidance, through microwave non-invasive temperature measurement at the same time through phased array rectangular microwave ablation treatment.